CN104228098A - Quadratic method run-flat tire one-section forming plying-up drum - Google Patents
Quadratic method run-flat tire one-section forming plying-up drum Download PDFInfo
- Publication number
- CN104228098A CN104228098A CN201410528744.0A CN201410528744A CN104228098A CN 104228098 A CN104228098 A CN 104228098A CN 201410528744 A CN201410528744 A CN 201410528744A CN 104228098 A CN104228098 A CN 104228098A
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- CN
- China
- Prior art keywords
- positioning disk
- drum
- cylinder
- cushion rubber
- plying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
- B29D30/244—Drums for manufacturing substantially cylindrical tyre components with cores or beads, e.g. carcasses
- B29D30/246—Drums for the multiple stage building process, i.e. the building-up of the cylindrical carcass is realised on one drum and the toroidal expansion is realised after transferring on another drum
- B29D30/247—Arrangements for the first stage only, e.g. means for radially expanding the drum to lock the beads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/72—Side-walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D2030/201—Manufacturing run-flat tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/72—Side-walls
- B29D2030/724—Stiffening the sidewalls, e.g. by using additional inserts, e.g. made of rubber, plastics or other materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Tyre Moulding (AREA)
Abstract
The invention relates to a quadratic method run-flat tire one-section forming plying-up drum. A left guiding disk and a right guiding disk are arranged on bilateral sides of a principal axis sleeve; guiding grooves are formed in the left guiding disk and the right guiding disk; a supporting plate is installed on every pair of guiding grooves; a drum tile is correspondingly assembled to the external side of every supporting plate; air cylinder devices are arranged on the principle axis sleeve; the external lateral walls of air cylinders are provided with nylon cone disks; the nylon cone disks are fixedly connected with the air cylinders; the internal sides of the supporting plates are provided with inclined surfaces which are in taper fit with the nylon cone disks. According to the quadratic method run-flat tire one-section forming plying-up drum, plying step by step is adopted, the first step is plying a lining layer under a contraction state, the second step is coating reinforcing glue under an expansion state, then a tire body is plied, and press fit, forward warping, ring buckling, reversed warping and press fit again are performed; the drum is swelled through a transmission mechanism to enable the inner lining layer to be adhered to the drum tiles due to radially uniform stretch, the problems of original lining layer folding and bubble residual are solved, and accordingly the product quality is improved.
Description
Technical field
The present invention is that a kind of employing twice method produces Runflat tire first stage building laminating drum (also claiming zero air pressure warranty tyre first stage shaping laminating drum).Be applicable to the shaping of the production Runflat tire on a kind of half steel riding meridian tyres for passenger cars special equipment on secondary method one-section shaping apparatus.
Background technology
Along with automobile industry fast development, superior automobile is on the increase, the raising of people's awareness of safety, and the demand of high-performance Runflat tire is also along with increase, and the technical requirement for Tire production industry is also more and more higher.The general identical assembly drum of conventional tyre that adopts of current secondary method first stage building drum there will be following shortcoming: 1, finishing strip cannot be located; 2, after carcass laminating, out-of-flatness is difficult to abundant pressing, easily remains the quality problems such as bubble; 3, product qualified rate lower than less than 70%, low, the high in cost of production quality problems of efficiency.
In order to solve the problem, the present invention adopts at the reserved reinforcement glue groove in assembly drum surface, improve the positioning precision of finishing strip and solve carcass laminating out-of-flatness problem, therefore efficiency effectively improves, can to paste inner liner unsettled due to drum surface, when upper finishing strip, produce and give a discount uneven and produce residual bubble, affect tire quality.
Summary of the invention
The object of the invention is to overcome and solve above-mentioned background technical problem, a kind of reserved reinforcement glue groove is provided, inner liner radial drawing is fitted, thus thoroughly inner liner gives a discount, remains bubble, the reinforcement glue defects such as no location, carcass pressing be not unreal, product percent of pass thus reach 100% twice method Runflat tire first stage building laminating drum.
The present invention, according to type of drive, comprise cylinder charge promote and push rod promote two kinds of modes.The present invention promotes type of drive with cylinder charge and is described.
The present invention, comprise collar bush, left positioning disk and right positioning disk is provided with in the both sides of collar bush, be provided with between left positioning disk with right positioning disk and be connected lever, left positioning disk and right positioning disk are respectively equipped with left limit dish and right limit dish, left limit dish is fixedly connected with right positioning disk with left positioning disk respectively with right limit dish, left positioning disk and right positioning disk are respectively equipped with a plurality of radially-directed grooves symmetrically arranged, on often pair of gathering sill, being equiped with one piece can the gripper shoe of radial motion, in the outside of each block gripper shoe, corresponding assembling one piece of drum watt; On collar bush between left positioning disk and right positioning disk, be provided with air cylinder device, described air cylinder device is made up of cylinder, cylinder head, piston and 2 half snap rings, piston is fixedly connected on collar bush by 2 half snap rings, cylinder head fixed seal connection is in cylinder port, cylinder block is divided into left air chamber and right air chamber by described piston, and collar bush is respectively equipped with the left pore and right pore that are communicated with left air chamber and right air chamber; On the lateral wall of cylinder, be provided with nylon cone dish, nylon cone dish is fixedly connected with cylinder, in the inner side of described gripper shoe, is provided with the inclined-plane with described nylon cone dish taper fit.
The present invention, at the lateral wall of all gripper shoes, is provided with a pair reset cushion rubber, and reset cushion rubber is placed on the groove that gripper shoe pre-sets; In the middle part of the lateral wall of all drums watt, be provided with a reinforcement cushion rubber, reinforcement cushion rubber is placed on the drum watt groove pre-set; At the lateral wall of all drums watt, be positioned at the left and right sides of reinforcement cushion rubber, be respectively equipped with reinforcement glue, under described drum watt open configuration, reinforcement glue surface, the drum exposed part in watt outside and surface composition cylindrical side of reinforcement cushion rubber.
The present invention, between left positioning disk and cylinder block bottom outside, is provided with nylon spacing ring.
The present invention, its beneficial effect is: adopt substep laminating, and the first step shrinks drum type state to paste inner liner, and second step is lamination reinforcement glue under swelling state, upper subsides carcass, pressing, positive closure, buckle ring, anti-package, again pressing.By transmission mechanism, drum is expanded, inner liner is evenly close to by radial drawing and is attached to above drum watt, solve inner liner in the past and give a discount, residual bubble, reinforcement glue location is inaccurate, thus improves product quality and efficiency.
Accompanying drawing explanation
Fig. 1-Fig. 2 is the structure principle chart of embodiment.
In figure, 1, collar bush; 2, right positioning disk; 3, left positioning disk; 4, pad is adjusted; 5, right limit dish; 6, left limit dish; 7, piston; 8,2 half snap rings; 9, cylinder; 10, cylinder head; 11, nylon cone dish; 12, nylon spacing ring; 13, round nut; 14, thrust washer; 15, lever; 16, gripper shoe; 17, reset cushion rubber; 18, adhesive tape is supplemented; 19, drum watt; 20, inner liner; 21, reinforcement glue; 22, gathering sill; 23, inclined-plane; 24, left air chamber; 25, left pore; 26, right pore; 27, right air chamber.
Detailed description of the invention
With reference to Fig. 1-Fig. 2, a kind of twice method Runflat tire first stage building laminating drum, comprise collar bush 1, left positioning disk 3 and right positioning disk 2 is provided with in the both sides of collar bush 1, right positioning disk 2 is fixedly connected on collar bush 1 by regulating pad 4 and screw, left positioning disk 6 is fixedly connected on collar bush 1 by thrust washer 14 and round nut 13, between left positioning disk 3 with right positioning disk 2, be provided with 6 be connected lever 15, left positioning disk 3 and right positioning disk 2 are respectively equipped with left limit dish 6 and right limit dish 5, left limit dish 6 and right limit dish 5 are fixedly connected with right positioning disk 2 with left positioning disk 3 respectively, left positioning disk 3 and right positioning disk 2 are respectively equipped with symmetrically arranged 30 (can select concrete quantitative value according to different product) radially-directed grooves 22, on often pair of gathering sill 22, be equiped with one piece can radial motion gripper shoe 16(in the present embodiment, because gathering sill 22 has 30, gripper shoe 22 configures 30 pieces), in the outside of each block gripper shoe 16, corresponding assembling one piece of drum watts 19, on collar bush 1 between left positioning disk 3 and right positioning disk 2, be provided with air cylinder device, described air cylinder device is made up of cylinder 9, cylinder head 10, piston 7 and 2 half snap ring 8, piston 7 is fixedly connected on collar bush 1 by 2 half snap rings 8, cylinder head 10 fixed seal connection is in cylinder port, cylinder block is divided into left air chamber 24 and right air chamber 27 by described piston 7, and collar bush 1 is respectively equipped with the left pore 25 and right pore 26 that are communicated with left air chamber 24 and right air chamber 27, on the lateral wall of cylinder 9, be provided with nylon cone dish 11, nylon cone dish 11 is fixedly connected with cylinder 9, in the inner side of described gripper shoe 16, is provided with the inclined-plane 23 with described nylon cone dish 11 taper fit.At the lateral wall of gripper shoe 16, be provided with a pair reset cushion rubber 17, reset cushion rubber 17 is placed on the groove that gripper shoe pre-sets; In the middle part of the lateral wall of all drums watts 19, be provided with a reinforcement cushion rubber 18, reinforcement cushion rubber 18 is placed on drum watt 19 grooves pre-set; At the lateral wall of drum watts 19, be positioned at the left and right sides of reinforcement cushion rubber 18, be respectively equipped with reinforcement glue 21, under described drum watt 19 open configurations, the exposed part outside reinforcement glue 21 surface, drum watts 19 and surface composition cylindrical side of reinforcement cushion rubber 18.Between left positioning disk 3 and cylinder 9 body bottom outside, be provided with nylon spacing ring 12.In the present embodiment, the collar bush 1 of main shaft device docks with forming machine, and adjustment pad 4 can finely tune laminating drum Center Parameter, and thrust washer 14 and round nut 13 limit left positioning disk 3 and move, the left positioning disk 3 that collar bush 1 two ends are installed respectively and right positioning disk 2, connect by lever 15 correspondence between it.Nylon spacing ring 12 is positioned at the inner side of left positioning disk 3, and left limit dish 6 is contained on left positioning disk 3, and right limit dish 5 is contained on right positioning disk 2.30 pieces of drums watts 19 are corresponding with 30 pieces of gripper shoes 16 to be installed, and gripper shoe 16 is provided with 2 reset adhesive tape 17, and drum watts 19 supplements adhesive tape 21.
Its operation principle is: type of drive adopts pneumatic promotion, and left pore 25 is connected source of the gas with right pore 26, and its operation principle is same as the prior art.At the outer surface laminating carcass ply 20 of drum during bulging watt of 19 contraction state, by main shaft air feed to cylinder, promoting gripper shoe 16 upwards becomes umbellate form to open along positioning disk straight line, the diameter change of drum watts 19 makes inner liner radial drawing evenly be close to be attached to above drum watts 19, and then by forming machine feed laminating sidewall reinforcement glue 21, realize again hitting circle positive closure, anti-package, roll-in anti-package, paste sidewall, the action on roll-in sidewall, pass through main shaft air feed again to cylinder, promoting gripper shoe 16 becomes umbellate form to regain downwards along positioning disk straight line, unload tire, complete first stage building, carry out operation next time again.
Claims (3)
1. twice method Runflat tire first stage building laminating drum, comprise collar bush (1), it is characterized in that: be provided with left positioning disk (3) and right positioning disk (2) in the both sides of collar bush (1), be provided with between left positioning disk (3) with right positioning disk (2) and be connected lever (15), left positioning disk (3) and right positioning disk (2) are respectively equipped with left limit dish (6) and right limit dish (5), left limit dish (6) is fixedly connected with right positioning disk (2) with left positioning disk (3) respectively with right limit dish (5), left positioning disk (3) and right positioning disk (2) are respectively equipped with a plurality of radially-directed grooves (22) symmetrically arranged, on often pair of gathering sill (22), being equiped with one piece can the gripper shoe (16) of radial motion, in the outside of each block gripper shoe (16), corresponding assembling one piece of drum watt (19), on collar bush (1) between left positioning disk (3) and right positioning disk (2), be provided with air cylinder device, described air cylinder device is by cylinder (9), cylinder head (10), piston (7) and 2 half snap rings (8) composition, piston (7) is fixedly connected on collar bush (1) by 2 half snap rings (8), cylinder head (10) fixed seal connection is in cylinder port, cylinder block is divided into left air chamber (24) and right air chamber (27) by described piston (7), collar bush (1) is respectively equipped with the left pore (25) and right pore (26) that are communicated with left air chamber (24) and right air chamber (27), on the lateral wall of cylinder (9), be provided with nylon cone dish (11), nylon cone dish (11) is fixedly connected with cylinder (9), in the inner side of described gripper shoe (16), is provided with the inclined-plane (23) with described nylon cone dish (11) taper fit.
2. twice method Runflat tire first stage building laminating drum according to claim 1, is characterized in that: at the lateral wall of gripper shoe (16), is provided with a pair reset cushion rubber (17), and reset cushion rubber (17) is placed on the groove that gripper shoe pre-sets; In the middle part of the lateral wall of all drums watt (19), be provided with a reinforcement cushion rubber (18), reinforcement cushion rubber (18) is placed on the drum watt groove that (19) pre-set; At the lateral wall of all drums watt (19), be positioned at the left and right sides of reinforcement cushion rubber (18), be respectively equipped with reinforcement glue (21), under described drum watt (19) open configuration, reinforcement glue (21) surface, the drum watt exposed part in (19) outside and surface composition cylindrical side of reinforcement cushion rubber (18).
3. twice method Runflat tire first stage building laminating drum according to claim 1 and 2, is characterized in that: between left positioning disk (3) and cylinder (9) body bottom outside, is provided with nylon spacing ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410528744.0A CN104228098B (en) | 2014-10-09 | 2014-10-09 | Twice method Runflat tire first stage building laminating drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410528744.0A CN104228098B (en) | 2014-10-09 | 2014-10-09 | Twice method Runflat tire first stage building laminating drum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104228098A true CN104228098A (en) | 2014-12-24 |
| CN104228098B CN104228098B (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410528744.0A Active CN104228098B (en) | 2014-10-09 | 2014-10-09 | Twice method Runflat tire first stage building laminating drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104228098B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400700A (en) * | 2021-06-17 | 2021-09-17 | 特拓(青岛)轮胎技术有限公司 | Secondary-expansion RFT tire forming drum and RFT tire blank forming method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100588580B1 (en) * | 2004-11-12 | 2006-06-14 | 한국타이어 주식회사 | Building drum structure for preparing run flat tire |
| CN101659127A (en) * | 2008-08-26 | 2010-03-03 | 住友橡胶工业株式会社 | Method for making run-flat tire and assembly drum device for same |
| CN102774024A (en) * | 2011-05-12 | 2012-11-14 | 住友橡胶工业株式会社 | Run-flat tire forming device |
| CN103496183A (en) * | 2013-09-18 | 2014-01-08 | 北京橡胶工业研究设计院 | Tyre body fitting drum |
| CN204054701U (en) * | 2014-10-09 | 2014-12-31 | 广东日星机械科技有限公司 | Twice method Runflat tire first stage building laminating drum |
-
2014
- 2014-10-09 CN CN201410528744.0A patent/CN104228098B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100588580B1 (en) * | 2004-11-12 | 2006-06-14 | 한국타이어 주식회사 | Building drum structure for preparing run flat tire |
| CN101659127A (en) * | 2008-08-26 | 2010-03-03 | 住友橡胶工业株式会社 | Method for making run-flat tire and assembly drum device for same |
| CN102774024A (en) * | 2011-05-12 | 2012-11-14 | 住友橡胶工业株式会社 | Run-flat tire forming device |
| CN103496183A (en) * | 2013-09-18 | 2014-01-08 | 北京橡胶工业研究设计院 | Tyre body fitting drum |
| CN204054701U (en) * | 2014-10-09 | 2014-12-31 | 广东日星机械科技有限公司 | Twice method Runflat tire first stage building laminating drum |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400700A (en) * | 2021-06-17 | 2021-09-17 | 特拓(青岛)轮胎技术有限公司 | Secondary-expansion RFT tire forming drum and RFT tire blank forming method |
| CN113400700B (en) * | 2021-06-17 | 2022-06-24 | 特拓(青岛)轮胎技术有限公司 | Secondary-expansion RFT tire forming drum and RFT tire blank forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104228098B (en) | 2016-08-31 |
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